CN219367120U - Partition structure of gas pipeline - Google Patents
Partition structure of gas pipeline Download PDFInfo
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- CN219367120U CN219367120U CN202320377915.9U CN202320377915U CN219367120U CN 219367120 U CN219367120 U CN 219367120U CN 202320377915 U CN202320377915 U CN 202320377915U CN 219367120 U CN219367120 U CN 219367120U
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- gas pipeline
- blind plate
- gas
- plate valve
- liquid
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Abstract
The application discloses a partition structure of gas pipeline belongs to gas recycle technical field to solve the technical problem that gas pipeline cuts off effectually, gas leakage to at least a certain extent. The utility model provides a gas pipeline's wall structure includes U type liquid seal portion and blind plate valve, wherein U type liquid seal portion is inside to be provided with cuts off liquid and level gauge, blind plate valve connects on gas pipeline, wherein U type liquid seal portion and blind plate valve cut off the effect in proper order for cut off the structure and better to gas pipeline's blocking effect, the level gauge is provided with level sensor simultaneously, the blind plate valve is provided with power control sensor, level sensor's signal output part is connected with power control sensor signal input part, make in U type liquid seal portion be in under the high-order overflow state just can close blind plate valve, not only gas pipeline's wall structure department seal operation interlocking is automatic like this, the incident that manual operation error leads to also can be avoided simultaneously.
Description
Technical Field
The application relates to the technical field of gas recycling, in particular to a partition structure of a gas pipeline.
Background
In iron and steel enterprises, a treatment method of flue gas generated by a steelmaking converter by adopting a one-time dust removal (OG) recovery system is widely used. The whole recovery system runs under high load in cooperation with the steelmaking converter for a long time, so that various fault problems often occur to different equipment and facilities of the whole system, and in order to ensure that the equipment and facilities can normally run, the periodic shutdown maintenance is required to be planned in advance. In order to avoid the damage caused by the backflow of the gas, the whole recovery system is required to be blocked, the existing blocking method only adopts a valve to block, thus gas leakage is caused, accidents occur, meanwhile, a water seal and blind plate valve blocking mode is partially adopted, but the problems that the water seal height does not reach the standard, the operation sequence of the water seal and the blind plate valve is wrong and the like can occur, and the gas pipeline blocking effect is poor, even the gas leakage and the like are dangerous.
Disclosure of Invention
The utility model provides a cut off structure of gas pipeline to solve the gas pipeline that exists among the above-mentioned prior art and cut off the technical problem that the effect is not good, gas leaks to a certain extent at least.
In order to achieve the above purpose, the present application provides the following technical solutions: a partition structure of a gas pipeline, comprising,
the U-shaped liquid seal part is internally provided with a liquid level meter for separating liquid and detecting the liquid level height;
the blind plate valve is connected to the gas pipeline;
the liquid level meter is provided with a liquid level sensor, the blind plate valve is provided with a power supply control sensor, the signal output end of the liquid level sensor is connected with the signal input end of the power supply control sensor of the blind plate valve, and the blind plate valve is controlled to be opened and closed through the height of the liquid level meter.
Further, a liquid inlet is formed in a position, close to the top end, of one side of the U-shaped liquid sealing part, the liquid inlet is connected with a liquid inlet pipeline, a liquid outlet is formed in the bottommost end of the U-shaped liquid sealing part, and the liquid outlet is connected with a liquid outlet pipeline.
Furthermore, an overflow port is arranged on the other side of the U-shaped liquid seal part near the top end, and the overflow port is connected with an overflow pipeline.
Furthermore, the overflow port and the liquid inlet are symmetrically arranged on the U-shaped liquid seal part.
Further, air pipes are respectively arranged at two ends of the U-shaped liquid sealing part.
Furthermore, a water seal check valve is arranged on the gas pipeline.
Further, two ends of the gas pipeline are respectively connected with a converter gas tank and a diffusing pipe, wherein the gas pipeline is connected with the diffusing pipe through a three-way valve.
Still further still, still include first monitor, the signal acquisition end of first monitor just right U type liquid seal portion, the monitor be used for monitoring liquid level height in the U type liquid seal portion.
Still further still, still include the second monitor, the signal acquisition end of second monitor just right to blind plate valve, the second monitor be used for monitoring the open/close state of blind plate valve.
Furthermore, the U-shaped liquid seal part, the blind plate valve and the water seal check valve are sequentially arranged from the converter gas tank to the direction of the diffusing pipe.
Compared with the prior art, the beneficial effects of this application include at least:
because the utility model provides a gas pipeline's wall structure includes U type liquid seal portion and blind plate valve, wherein U type liquid seal portion is inside to be provided with cuts off liquid and level gauge, the blind plate valve is connected on gas pipeline, wherein U type liquid seal portion and blind plate valve cut off the effect in proper order for cut off the structure and better to gas pipeline's blocking effect, the level gauge is provided with level sensor simultaneously, the blind plate valve is provided with power control sensor, level sensor's signal output part is connected with power control sensor signal input part, make just can close blind plate valve under the high-order overflow state in the U type liquid seal portion, not only gas pipeline's wall structure department seal operation interlocking is automatic like this, also can avoid the incident that manual operation error leads to simultaneously.
Drawings
FIG. 1 is a block diagram of a gas conduit of the present application;
in the figure: 1. a U-shaped liquid seal part; 2. isolating the liquid; 3. a liquid level gauge; 4. a blind plate valve; 5. a gas pipe; 6. an air pipe; 7. a water seal check valve; 8. a converter gas tank; 9. a diffusing pipe; 10. a three-way valve; 11. a liquid inlet; 12. a liquid outlet; 13. an overflow port; 101. a first monitor; 102. a second monitor; 111. a liquid inlet pipe; 121. a liquid outlet pipe; 131. and an overflow pipeline.
Detailed Description
The following description of the embodiments of the present application will be made clearly and fully with reference to the accompanying drawings, in which it is evident that the embodiments described are only some, but not all, of the embodiments of the present application. All other embodiments, which can be made by one of ordinary skill in the art without undue burden from the present disclosure, are within the scope of the present disclosure.
In iron and steel enterprises, a treatment method of flue gas generated by a steelmaking converter by adopting a one-time dust removal (OG) recovery system is widely used. In the oxygen blowing steelmaking process, the content of CO and O2 in the flue gas is detected and analyzed by an on-line CO and O2 detector which is arranged in front of a three-way valve after passing through a purifying and dedusting system and a fan. If one of the detection data does not accord with the recovery condition, the three-way valve is automatically closed to recover, turn and release, and unqualified gas is released. And when the detection data reach the recovery condition, the three-way valve is automatically closed to diffuse and turn to recovery.
The whole dedusting recovery system runs under high load in cooperation with the steelmaking converter for a long time, so that various fault problems often occur to different equipment and facilities of the whole system, and in order to ensure that the equipment and facilities can normally run, the scheduled regular furnace shutdown maintenance is required. Under the general condition, a plurality of converter purification recovery systems are summarized into a gas transmission main pipe to enter a converter gas tank, and then when a single converter dust removal recovery system stops gas maintenance operation, the single converter dust removal recovery system needs to be separated from the gas tank, so that the threat of gas countercurrent in the operation process of other converter gas recovery systems to the personal safety of maintenance operators is prevented.
Based on the technical problem, combine fig. 1, this application provides a partition structure of gas pipe 6 way 5, partition structure includes U type liquid seal portion 1 and blind plate valve 4, and wherein U type liquid seal portion 1 inside is provided with sealed liquid 2 and is used for detecting liquid level gauge 3 of liquid level height, and blind plate valve 4 connects on gas pipe 6 way 5. Meanwhile, a liquid level sensor is arranged on the liquid level meter 3, a power supply control sensor is arranged on the blind plate valve 4, a signal output end of the liquid level sensor is connected with a signal input end of the power supply control sensor of the blind plate valve 4, and the blind plate valve 4 is controlled to be opened or closed through the height of the liquid level meter 3. Wherein the blind valve 4 can be closed only when the level is at a high overflow.
The utility model provides a cut off structure of gas pipeline 5 includes U type liquid seal portion 1 and blind plate valve 4, and wherein U type liquid seal portion 1 inside is provided with cuts off liquid 2 and is used for detecting liquid level height's level gauge 3, and blind plate valve 4 connects on gas pipeline 5. The setting cuts off the setting through U type liquid seal portion 1 and blind plate valve 4 in proper order like this to make gas piping 5 better to the wall effect of coal gas, be provided with liquid level high sensor on the level gauge 3 simultaneously, be provided with power control sensor on the blind plate valve 4, liquid level high sensor's signal output part is connected with blind plate valve 4's power control sensor signal input part, through the switch of level gauge 3 high control blind plate valve 4, just can close blind plate valve 4 under the high-order overflow state in making U type liquid seal portion 1, not only gas piping 5's wall structure department seals the operation interlocking automation like this, also can avoid the incident that manual operation error leads to simultaneously.
In one embodiment, a liquid inlet 11 is arranged at a position, close to the top end, of one side of the U-shaped liquid seal part 1, the liquid inlet 11 is connected with a liquid inlet pipeline 111, a liquid outlet 12 is arranged at the bottommost end of the U-shaped liquid seal part 1, and the liquid outlet 12 is connected with a liquid outlet pipeline 121. The liquid inlet 11 and the liquid outlet 12 arranged in this way facilitate liquid injection and liquid discharge in the U-shaped liquid seal part 1.
Wherein the distance between the liquid inlet 11 and the top end of the U-shaped liquid seal part 1 can be 5cm.
In one embodiment, an overflow port 13 is arranged at the other side of the U-shaped liquid seal part 1 near the top end, the overflow port 13 is connected with an overflow pipeline 131, and the overflow port 13 is arranged to keep the pipeline safe.
In one embodiment, the overflow port 13 and the liquid inlet 11 are symmetrically arranged on the U-shaped liquid seal part 1.
In one embodiment, air pipes 6 are respectively arranged at two ends of the U-shaped liquid seal part 1.
In one embodiment, the gas pipeline 5 is provided with a water seal check valve 7, the water seal check valve 7 is an automatic switch valve which does not need manpower or other working operations, and is switched through the flow of pipeline media, and is mainly used for preventing the countercurrent control of the pipeline media, and the water seal check valve 7 has only one flow direction, that is, only can flow along an inflow port, and the valve is closed when the media countercurrent, so that the gas countercurrent is further prevented.
In one embodiment, two ends of the gas pipeline 5 are respectively connected with a converter gas tank 8 and a diffusing pipe 9, wherein the gas pipeline 6 is connected with the diffusing pipe 9 through a three-way valve 10.
One embodiment further comprises a first monitor 101, the signal collecting end of the first monitor 101 is opposite to the liquid level height in the U-shaped liquid seal part 1, and the first monitor is used for monitoring the liquid level height in the U-shaped liquid seal part 1.
One embodiment further comprises a second monitor 102, wherein the signal collection end of the second monitor 102 is aligned with the valve opening of the blind plate valve 4, and the second monitor 102 is used for monitoring the open/close state of the blind plate valve 4.
The U-shaped liquid seal part 1 and the blind plate valve 4 are monitored through the first monitor 101 and the second monitor 102, so that manual on-site observation is not needed, and the risk of operation behaviors of on-site personnel in monitoring a coal gas area for a long time is eliminated.
In one embodiment, the U-shaped liquid seal part 1, the blind plate valve 4 and the water seal check valve 7 are sequentially arranged from the converter gas tank 8 to the direction of the diffusing pipe 9. When the gas in the converter gas tank 8 flows back along the gas pipeline 5 towards the direction of the diffusing pipe 9, the gas passes through the U-shaped liquid seal part 1, the blind plate valve 4 and the water seal check valve 7 in sequence, so that the gas leakage is avoided to the greatest extent.
The operation process of the partition structure comprises the following steps: firstly, water is injected into the U-shaped liquid seal part 1 to the high overflow position through the liquid inlet pipeline 111, at the moment, the liquid level gauge 3 detects the liquid level, a pulse electric signal is sent to the PLC program control module through the liquid level sensor, and the PLC program control module sends the pulse electric signal to the power supply control sensor of the blind plate valve 4, so that the blind plate valve 4 is electrified and enters the closed state of the blind plate valve 4, the blind plate valve 4 can be operated to be closed only when the U-shaped liquid seal part 1 keeps the high overflow position, and the gas accident caused by the gas countercurrent caused by misoperation of personnel is essentially solved.
In this application, unless expressly stated or limited otherwise, a first feature "above" or "below" a second feature may include both the first and second features being in direct contact, and may also include the first and second features not being in direct contact but being in contact with each other by way of additional features therebetween. Moreover, a first feature being "above," "over" and "on" a second feature includes the first feature being directly above and obliquely above the second feature, or simply indicating that the first feature is higher in level than the second feature. The first feature being "under", "below" and "beneath" the second feature includes the first feature being directly under and obliquely below the second feature, or simply means that the first feature is less level than the second feature.
In the description of the present application, it should be understood that the terms "center," "longitudinal," "transverse," "length," "width," "thickness," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," "clockwise," "counterclockwise" indicate or positional relationships are based on the positional relationships shown in the drawings, merely for convenience of description and to simplify the description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and therefore should not be construed as limiting the present application.
It should be noted that all the directional indicators in the embodiments of the present application are only used to explain the relative positional relationship, movement conditions, etc. between the components in a specific posture, and if the specific posture is changed, the directional indicators are correspondingly changed.
In the present application, unless explicitly specified and limited otherwise, the terms "coupled," "secured," and the like are to be construed broadly, and for example, "secured" may be either permanently attached or removably attached, or integrally formed; can be mechanically or electrically connected; either directly or indirectly, through intermediaries, or both, may be in communication with each other or in interaction with each other, unless expressly defined otherwise. The specific meaning of the terms in this application will be understood by those of ordinary skill in the art as the case may be.
In addition, descriptions such as those related to "first," "second," and the like, are provided for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated in this application. Thus, a feature defining "a first" or "a second" may explicitly or implicitly include one or more features. In the description of the present application, the meaning of "a plurality" is two or more, unless explicitly defined otherwise.
In the description of the present specification, a description referring to terms "one embodiment," "some embodiments," "examples," "specific examples," or "some examples," etc., means that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the present application. In this specification, schematic representations of the above terms are not necessarily directed to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples. Further, one skilled in the art can engage and combine the different embodiments or examples described in this specification.
In addition, the technical solutions of the embodiments may be combined with each other, but it is necessary to base that the technical solutions can be realized by those skilled in the art, and when the technical solutions are contradictory or cannot be realized, the combination of the technical solutions should be regarded as not exist and not within the protection scope of the present application.
While embodiments of the present application have been shown and described, it will be understood by those of ordinary skill in the art that: many changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the application, the scope of which is defined by the claims and their equivalents.
Claims (10)
1. A partition structure of a gas pipeline is characterized in that the partition structure comprises,
the U-shaped liquid seal part is internally provided with a liquid level meter for separating liquid and detecting the liquid level height;
the blind plate valve is connected to the gas pipeline;
the liquid level meter is provided with a liquid level sensor, the blind plate valve is provided with a power supply control sensor, the signal output end of the liquid level sensor is connected with the signal input end of the power supply control sensor of the blind plate valve, and the blind plate valve is controlled to be opened and closed through the height of the liquid level meter.
2. The partition structure of a gas pipeline according to claim 1, wherein a liquid inlet is formed in a position, close to the top end, of one side of the U-shaped liquid seal part, the liquid inlet is connected with a liquid inlet pipeline, a liquid outlet is formed in the bottommost end of the U-shaped liquid seal part, and the liquid outlet is connected with a liquid outlet pipeline.
3. The partition structure of a gas pipeline according to claim 2, wherein an overflow port is arranged on the other side of the U-shaped liquid seal part near the top end, and the overflow port is connected with an overflow pipeline.
4. A gas conduit partition structure according to claim 3, wherein the overflow port and the liquid inlet are symmetrically arranged on the U-shaped liquid seal.
5. The partition structure of a gas pipe according to claim 4, wherein gas pipes are provided at both ends of the U-shaped liquid seal portion, respectively.
6. The partition structure of a gas pipeline according to claim 1, wherein a water seal check valve is provided on the gas pipeline.
7. The partition structure of a gas pipeline according to claim 1, wherein two ends of the gas pipeline are respectively connected with a converter gas tank and a diffusing pipe, and the gas pipeline is connected with the diffusing pipe through a three-way valve.
8. The partition structure of a gas pipeline according to claim 1, further comprising a first monitor, wherein a signal collecting end of the first monitor is opposite to the U-shaped liquid seal part, and the monitor is used for monitoring the liquid level height in the U-shaped liquid seal part.
9. The gas pipeline partition structure according to claim 1, further comprising a second monitor, wherein a signal collecting end of the second monitor is opposite to the blind plate valve, and the second monitor is used for monitoring an open/close state of the blind plate valve.
10. The partition structure of a gas pipeline according to claim 7, wherein the U-shaped liquid seal part, the blind plate valve and the water seal check valve are sequentially arranged from the converter gas tank to the direction of the diffusing pipe.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320377915.9U CN219367120U (en) | 2023-03-02 | 2023-03-02 | Partition structure of gas pipeline |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320377915.9U CN219367120U (en) | 2023-03-02 | 2023-03-02 | Partition structure of gas pipeline |
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| Publication Number | Publication Date |
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| CN219367120U true CN219367120U (en) | 2023-07-18 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202320377915.9U Active CN219367120U (en) | 2023-03-02 | 2023-03-02 | Partition structure of gas pipeline |
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| Country | Link |
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| CN (1) | CN219367120U (en) |
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- 2023-03-02 CN CN202320377915.9U patent/CN219367120U/en active Active
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